default drm hidl: Fix decrypt destination base ptr am: d79abbb0d3 am: 86828796ac

Change-Id: I4fac71fd9946d37a7a3b1d32a611f007de3e5303
diff --git a/drm/1.0/default/CryptoPlugin.cpp b/drm/1.0/default/CryptoPlugin.cpp
index aa5c6ed..b862603 100644
--- a/drm/1.0/default/CryptoPlugin.cpp
+++ b/drm/1.0/default/CryptoPlugin.cpp
@@ -156,6 +156,7 @@
                 return Void();
             }
 
+            base = static_cast<uint8_t *>(static_cast<void *>(destBase->getPointer()));
             destPtr = static_cast<void *>(base + destination.nonsecureMemory.offset);
         } else if (destination.type == BufferType::NATIVE_HANDLE) {
             if (!secure) {